{"analyses":[{"groupDescription":"The logistic regression model was used to evaluate prognostic impact of disease extent (non-metastatic; metastatic) after accounting for the effects of site of the primary tumor (body wall; extremity; head/neck; visceral), tumor size (\\<=5cm; \\>5cm), tumor depth (deep; superficial), tumor invasiveness (invasive; non-invasive), extent of resection of the primary tumor (less than total resection; margin -; margin +), and histologic (POG) grade.","groupIds":["OG000","OG001"],"nonInferiorityType":"OTHER","pValue":"<0.0001","statisticalComment":"Firth logistic regression is used to overcome the issue of quasi-complete separation of data points.","statisticalMethod":"Regression, Logistic"}],"classes":[{"categories":[{"measurements":[{"groupId":"OG000","lowerLimit":"7.66","upperLimit":"13.51","value":"10.59"},{"groupId":"OG001","lowerLimit":"49.35","upperLimit":"72.39","value":"60.87"}]}]}],"denoms":[{"counts":[{"groupId":"OG000","value":"425"},{"groupId":"OG001","value":"69"}],"units":"Participants"}],"description":"Percent of patients who had distant metastasis.","dispersionType":"95% Confidence Interval","groups":[{"id":"OG000","title":"Non-metastatic"},{"id":"OG001","title":"Metastatic"}],"paramType":"NUMBER","populationDescription":"94 participants were excluded because of ineligibility, incorrect treatment, or absence of evaluation for tumor invasiveness and histologic grade.","reportingStatus":"POSTED","timeFrame":"Up to 10 years","title":"Incidence of Distant Metastasis","type":"SECONDARY","unitOfMeasure":"Percentage of participants"}